基于场景的南非电网能否满足2030年高峰需求的分析

Siyanda Ncwane, Thamsanqa Ngcobo
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引用次数: 1

摘要

南非每年更新输电发展计划。TDP确定了加强电网的项目,以满足未来的负荷需求,并整合新的发电厂。所研究的电网TDP是在为电网供电的每个电站的所有发电机组都在运行的情况下进行规划的。然而,在此期间,电站机组可能发生停电,导致电网无法满足高峰网络负荷需求。本文介绍了在多种发电情景下,采用场景规划方法研究具有多个发电注入点的输电网是否足以满足峰值负荷需求。该调查是在南非2030年输电网网络上进行的。研究发现,即使在规划输电网TDP时,并网电站的所有发电机组都在运行,但在多种发电情景下,到2030年仍有足够的电网容量来满足高峰负荷需求。此外,分析多种发电方案的好处,以确保输电网有足够的能力,以满足在给定的研究时间间隔的高峰负荷需求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Scenario-Based Analysis of the Adequacy of a South African Grid to Supply Peak Demand in 2030
The transmission development plan (TDP) is updated annually in South Africa. The TDP identifies projects to strengthen the network to supply future load demand and integrate new power generation plants. The TDP of the grid investigated is planned with all the generation units in each of the power stations supplying the grid in service. However, outages can occur on the power station units, resulting in the grid being inadequate to supply the peak network load demand during this period. The paper demonstrates the scenarioplanning approach in investigating the adequacy of a power transmission grid with multiple generation injection points to meet peak load demand under multiple generation scenarios. The investigation is performed on the 2030 network of a power transmission grid in South Africa. It is found that even though the TDP of the power transmission grid is planned with all the generation units of the power stations supplying the grid in service, there is adequate network capacity in the year 2030 to supply the peak load demand when multiple generation scenarios are investigated. Also, the benefits of analysing multiple generation scenarios to ensure that the power transmission grid has enough capacity to supply the peak load demand in a given time interval of study are highlighted.
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